[PATCH v3 1/2] staging: Introduce NVIDIA Tegra20 video decoder driver

Rob Herring robh at kernel.org
Thu Oct 19 20:52:42 UTC 2017


On Tue, Oct 17, 2017 at 4:26 PM, Dmitry Osipenko <digetx at gmail.com> wrote:
> On 18.10.2017 00:13, Rob Herring wrote:
>> On Tue, Oct 17, 2017 at 3:24 PM, Thierry Reding
>> <thierry.reding at gmail.com> wrote:
>>> On Tue, Oct 17, 2017 at 03:13:54PM -0500, Rob Herring wrote:
>>> [...]
>>>>> diff --git a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-vde.txt b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-vde.txt
>>> [...]
>>>>> +- resets : Must contain an entry for each entry in reset-names.
>>>>> +  See ../reset/reset.txt for details.
>>>>> +- reset-names : Must include the following entries:
>>>>> +  - vde
>>>>
>>>> -names is pointless when there is only one.
>>>
>>> I'd prefer to keep it. In the past we occasionally had to add clocks or
>>> resets to a device tree node where only one had been present (and hence
>>> no -names property) and that caused some awkwardness because verbiage
>>> had to be added to the bindings that clarified that one particular entry
>>> (the original one) always had to come first.
>>
>> The order should be specified regardless of -names and the original
>> one has to come first if you add any. That's not awkwardness, but how
>> bindings work.
>
> Probably it would be okay to remove '-names' from the binding doc, but keep them
> in the actual DT, wouldn't it?

No. Then where are the names documented?

Rob


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